CN216882537U

CN216882537U - Reducer pipe fitting convenient to welding

Info

Publication number: CN216882537U
Application number: CN202220231685.0U
Authority: CN
Inventors: 项敬泽
Original assignee: Anhui Longze Industrial Co ltd
Current assignee: Anhui Longze Industrial Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-07-05
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a reducer pipe fitting convenient for welding, which comprises: a reducer body; the small-head annular bulge is arranged at the top of the small head of the small-head body, a first groove is formed in the inner side of the small-head annular bulge, a plurality of small-head welding holes which are uniformly arranged are formed in the outer side of the small-head annular bulge and penetrate through the small-head annular bulge, and the small-head welding holes are connected with the first groove; the big-end annular bulge is arranged at the top of the big end of the big-end body, the second groove is arranged on the inner side of the big-end annular bulge, a plurality of evenly-arranged big-end welding holes penetrate through the big-end annular bulge, and the big-end welding holes are connected with the second groove. The small-head welding hole and the large-head welding hole are adopted, so that the effect of facilitating uniform welding with the pipe fitting is achieved, and the problem that the traditional pipe fitting is inconvenient to weld is solved.

Description

Reducer pipe fitting convenient to welding

Technical Field

The utility model relates to the technical field of human pipe fitting processing, in particular to a reducer pipe fitting convenient to weld.

Background

The reducer pipe fitting is a common pipeline part and mainly used for reducing the diameter of the pipeline. In order to prevent water leakage or breakage of a joint due to high pressure after a conventional metal reducer pipe is mounted on a metal pipeline, welding operation needs to be performed at the joint. However, the shape of the pipes is mostly circular, so that the welding process is inconvenient, and the pipes are difficult to weld uniformly, and the welding firmness is also affected if the welding is too concentrated.

In view of the above problems, there is a need for an improvement on the prior art of welded pipe fittings.

SUMMERY OF THE UTILITY MODEL

1. Purpose of the utility model

The utility model provides a reducer pipe fitting convenient to weld, which is used for solving the technical problem that the traditional reducer pipe fitting in the background art is inconvenient to weld.

2. Technical scheme

In order to achieve the purpose, the utility model adopts the following technical scheme:

a reducer pipe fitting convenient for welding, comprising:

a reducer body;

the small-head annular bulge is arranged at the top of the small head of the reducer body, a first groove is formed in the inner side of the small-head annular bulge, a plurality of small-head welding holes which are uniformly arranged are formed in the outer side of the small-head annular bulge and penetrate through the small-head annular bulge, and the small-head welding holes are connected with the first groove;

the big-end annular bulge is arranged at the top of the big end of the big-end body, a second groove is arranged on the inner side of the big-end annular bulge, a plurality of evenly-arranged big-end welding holes are formed in the outer side of the big-end annular bulge and penetrate through the big-end annular bulge, and the big-end welding holes are connected with the second groove.

Preferably, the reducer body further comprises: the small-head annular pipe orifice is arranged at the top of the small-head annular bulge part, and the inner diameter of the small-head annular pipe orifice is larger than that of the small head of the large-small-head body;

the large-head annular pipe orifice is arranged at the top of the large-head annular bulge, and the inner diameter of the large-head annular bulge is larger than that of the large head of the large-head body.

Preferably, the outer side of the reducer body is fixedly connected with a rotating part.

Preferably, the cross section of the small-head annular bulge is trapezoidal.

Preferably, the cross section of the large-head annular bulge is semicircular.

Preferably, the big head and the small head of the big-small head body are both internally provided with threads.

Preferably, a first annular sleeve is arranged on the outer side of the small-head annular bulge and wraps all the small-head welding holes.

Preferably, a second annular sleeve is arranged on the outer side of the large-head annular bulge and wraps all the large-head welding holes.

Preferably, the rotating part is an annular body.

3. Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

the utility model adopts the small-head annular bulge arranged at the top of the small head of the large-small head body, the inner side of the small-head annular bulge is provided with the first groove, the outer side of the small-head annular bulge is provided with a plurality of small-head welding holes which are uniformly arranged and penetrate through the small-head annular bulge, the small-head welding holes are connected with the first groove, the large-head annular bulge is arranged at the top of the large head of the large-small head body, the inner side of the large-head annular bulge is provided with the second groove, the outer side of the large-head welding holes which are uniformly arranged and penetrate through the large-head annular bulge, and the large-head welding holes are connected with the second groove, so that an operator can finish welding in an orderly manner only by aligning a welding gun head to the small-head welding holes and the large-head welding holes during welding, the condition of non-uniformity of welding can not occur, the welding is firmer, and the welding is more firm because the first groove and the second groove are arranged, the welded metal liquid can be remained in the first groove and the second groove, the situation of flowing to the outside can not occur.

According to the utility model, the first annular sleeve is used for wrapping all the small-end welding holes, and the second annular sleeve is used for wrapping all the large-end welding holes, so that external water or other corrosive liquid cannot enter the welding part, and the corrosion resistance and the oxidation resistance of the welding part are improved.

According to the utility model, the rotating part is fixedly connected to the outer side of the reducer body, so that an operator can prevent the welding process from falling off by holding the rotating part by hand, and meanwhile, the rotating part is rotated to facilitate the rotating part to realize threaded connection between the large head and the small head in the reducer body and the pipeline.

Drawings

FIG. 1 is a schematic view of an overall structure of a reducer pipe fitting convenient for welding;

FIG. 2 is a cross-sectional view of a reducer pipe for facilitating welding.

Reference numerals

Big end body-1, little first annular bellying-2, first recess-21, little first welding hole-22, major part annular bellying-3, second recess-31, major part welding hole-32, little first annular mouth of pipe-4, major part annular mouth of pipe-5, rotation portion-6, first annular cover-8, second annular cover-9.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "provided," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1-2, a reducer pipe convenient to welding, includes reducer body 1, its characterized in that still includes:

the small-head annular bulge 2 is arranged at the top of the small head of the large-head body 1, a first groove 21 is formed in the inner side of the small-head annular bulge 2, a plurality of small-head welding holes 22 which are uniformly arranged are formed in the outer side of the small-head annular bulge 2 and penetrate through the small-head annular bulge 2, and the small-head welding holes 22 are connected with the first groove 21;

big end annular bulge 3 establishes at the top of the big end of big end body 1, and the inboard is equipped with second recess 31, and the outside is equipped with a plurality of align to grid's big end welding hole 32 and runs through big end annular bulge 3, and big end welding hole 32 links to each other with second recess 31. The size and shape of the large-head welding hole 32 and the small-head welding hole 22 are not particularly limited, and circular holes are considered to be adopted in a limited way.

Referring to fig. 1-2, the reducer body 1 further includes: the small-head annular pipe orifice 4 is arranged at the top of the small-head annular bulge part 2, and the inner diameter of the small-head annular pipe orifice is larger than that of the small head of the large-head body 1;

and the large-head annular pipe orifice 5 is arranged at the top of the large-head annular bulge 3, and the inner diameter of the large-head annular bulge is larger than that of the large head of the large-head body 1. In the concrete implementation, the inner diameters of the small-end annular pipe orifice 4 and the large-end annular pipe orifice 5 are respectively larger than the small-end inner diameter and the large-end inner diameter of the large-end body 1 by 1-2 mm, and the small-end annular pipe orifice and the large-end annular pipe orifice are used for facilitating the insertion of a pipeline into a large-end pipe fitting and a small-end pipe fitting in the concrete implementation.

Referring to fig. 1-2, a rotating part 6 is fixedly connected to the outer side of the reducer body 1.

Referring to fig. 1-2, the small-headed annular boss 2 is trapezoidal in cross section.

Referring to fig. 1-2, the large-headed annular projection 3 is semi-circular in cross-section.

Referring to fig. 1-2, the large head and the small head of the large and small head body 1 are provided with threads therein.

Referring to fig. 1-2, the first annular sleeve 8 is provided outside the small-end annular boss 2 to wrap all the small-end welding holes 22. The material of the first annular sleeve 8 is not particularly limited in the present invention, and a rubber material having elasticity is preferably considered.

Referring to fig. 1-2, the second annular sleeve 9 is disposed outside the large-head annular boss 3 and covers all the large-head welding holes 32. The material of the second annular sleeve 9 is not particularly limited in the present invention, and a rubber material having elasticity is preferably used.

Referring to fig. 1-2, the rotating portion 6 is an annular body. The utility model does not limit the concrete shape of the rotating part 6, considers the welding convenience, preferentially considers the structure of the annular body, is convenient for supporting an operator in the welding process, prevents the position of the pipe fitting from being misplaced, can also use the rotating part 6 with the connecting function when the ultra-high temperature welding is needed, and if the rotating part 6 is provided with a threaded hole, the problem of stabilizing the pipe fitting by adding a threaded rod outside is solved, the operator does not need to directly contact the pipe fitting, thus being safer.

The technical principle of the embodiment is as follows:

the operator comes threaded connection between the root end of reducer body 1 and the pipeline in the root end through rotatory rotation portion 6, then snatch through the welding and aim at root end welding hole 22 and root end welding hole 32 and weld, the welding liquid can flow in first recess 21 and second recess 31, and because root end welding hole 22 and root end welding hole 32 distribute evenly, consequently the welded interface is also very even, thereby make very welding more firm, use first annular cover 8 and second annular cover 9 to overlap respectively on root end annular bulge 2 and root end annular bulge 3, thereby make outside water be difficult to invade the welding position, thereby the stability of the welding kneck of further improvement.

Claims

1. The utility model provides a reducer pipe fitting convenient to welding, includes reducer body (1), its characterized in that still includes:

the small-head annular bulge (2) is arranged at the top of the small head of the large and small head body (1), a first groove (21) is formed in the inner side of the small-head annular bulge, a plurality of small-head welding holes (22) which are uniformly arranged are formed in the outer side of the small-head annular bulge (2) and penetrate through the small-head annular bulge (2), and the small-head welding holes (22) are connected with the first groove (21);

big head annular bulge (3) establishes the top of the big head of big head body (1), the inboard is equipped with second recess (31), and the outside is equipped with a plurality of align to grid big head welding hole (32) and runs through big head annular bulge (3), big head welding hole (32) with second recess (31) link to each other.

2. The reducer pipe fitting convenient to weld of claim 1, wherein:

reducer body (1) still includes: the small-head annular pipe orifice (4) is arranged at the top of the small-head annular bulge part (2), and the inner diameter of the small-head annular pipe orifice is larger than that of the small head of the large-small-head body (1);

the large-head annular pipe orifice (5) is arranged at the top of the large-head annular bulge (3), and the inner diameter of the large-head annular bulge is larger than that of the large head of the large-head body (1).

3. The reducer pipe fitting convenient to weld of claim 1, wherein:

the outer side of the reducer body (1) is fixedly connected with a rotating part (6).

4. The reducer pipe fitting convenient to weld of claim 1, wherein:

the cross section of the small-head annular bulge (2) is trapezoidal.

5. The reducer pipe fitting convenient to weld of claim 1, wherein:

the cross section of the large-head annular bulge (3) is semicircular.

6. The reducer pipe fitting convenient to weld of claim 1, wherein:

the big head and the small head of the big head body (1) are both internally provided with threads.

7. The reducer pipe fitting convenient to weld of claim 1, wherein: and a first annular sleeve (8) is arranged on the outer side of the small-head annular bulge (2) and wraps all the small-head welding holes (22).

8. The reducer pipe fitting convenient to weld of claim 1, wherein:

and a second annular sleeve (9) is arranged on the outer side of the large-head annular bulge (3) and wraps all the large-head welding holes (32).

9. The reducer pipe fitting convenient to weld of claim 3, wherein: the rotating part (6) is an annular body.